Home / 39,715.86-59,575.22-19,983.68

Finding the Fourth Proportional to 39,715.86, 59,575.22 and 19,983.68

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Solution

The fourth proportional to 39,715.86, 59,575.22 and 19,983.68 is: 29,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,715.86 : 59,575.22 = 19,983.68 : x
  2. Step 2: Convert to fraction form
    39,715.86/59,575.22 = 19,983.68/x
  3. Step 3: Cross multiply
    39,715.86x = 59,575.22 × 19,983.68
  4. Step 4: Simplify right side
    39,715.86x = 1,190,532,132.41
  5. Step 5: Solve for x
    x = 1,190,532,132.41/39,715.86
  6. Step 6: Final answer
    x = 29,976.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.